Sig Sauer P320 for sale
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Sig Sauer P320 Full Nitron 9mm 4.7" Barrel 17-Rounds Optics Ready
Action:
Semi-Auto
Barrel Length:
4.7"
Caliber:
9×19mm Parabellum
Capacity:
17+1
Finish Per Color:
Black
(0)
Sig Sauer P320 Compact Nitron 9mm 3.9" Barrel 15-Rounds Optics Ready
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
15+1
Finish Per Color:
Black
(18)
Sig Sauer P320 X Carry Legion 9mm Pistol, Black - 320XCA-9-LEGION-TB-R2
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.6 inches
Caliber:
9×19mm Parabellum
Capacity:
17+1
Finish Per Color:
Gray
(20)
Sig Sauer P320 Nitron Compact .45 ACP Pistol w/ Night Sights, Black
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
.45 ACP
Capacity:
9
Finish Per Color:
Black
(0)
Sig Sauer P320 Compact OR 9mm 3.9" Barrel 10-Rounds
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
10+1
Finish Per Color:
Black
(0)
SIG SAUER P320 SPECTRE 9MM 4.6" 21RD BLACK OPTIC READY
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.6"
Caliber:
9×19mm Parabellum
Capacity:
21
Finish Per Color:
Black
(0)
Sig Sauer P320 Full OR 9mm 4.7" Barrel 10-Rounds
Action:
Semi-Auto
Barrel Length:
4.7"
Caliber:
9×19mm Parabellum
Capacity:
10+1
Finish Per Color:
Black
(20)
Sig Sauer P320 XFive Legion 9mm Semi-Automatic Pistol, Stainless - 320X5-9-LEGION-R2-10
Brand:
Sig Sauer
Action:
Double Action
Barrel Length:
5 in
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Grey
(20)
Sig Sauer P320 XFIVE Legion 9mm Pistol, Legion Gray
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
5 in
Caliber:
9×19mm Parabellum
Capacity:
17
Finish Per Color:
Gray
(0)
Sig Sauer P320 X-Series 9mm 4.7" Bbl Optic Ready Pro-Cut Full-Size Low-Capacity Pistol w/(2) 10rd Mags, XRAY3 & Mod Poly X Grip 320XF-9-BXR3P-R2-10
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.7 inches
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Black
(20)
Sig Sauer P320 M18 Carry 9mm 3.9" Pistol, Coyote Tan - 320CA-9-M18-MS
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
17, 21
Finish Per Color:
Coyote Tan
(0)
Sig Sauer P320 AXG Legion 9mm 3.9" Bbl Legion Gray Pistol w/(3) 10rd Steel Mags, XRAY3 & AXG Grip 320AXGF-9-LEGION-10
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Gray
(3)
Sig Sauer P320 Spectre Comp Blackout
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.6 inches
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Black
(20)
SIG Sauer P320 Compact 9mm Pistol with Contrast Sights in Black
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
3.9in
Caliber:
9×19mm Parabellum
Capacity:
15
Finish Per Color:
Nitron
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Sig Sauer P320-XFULL 9mm 4.7" Bbl CA Compliant Optics Ready Pistol w/(2) 10rd Steel Mags, & XRAY3 Day/Night Sights 320XF-9-BXRP3-MS-CA
Action:
Striker Action
Barrel Length:
4.7"
Caliber:
9×19mm Parabellum
Capacity:
10+1
Finish Per Color:
Black
(0)
SIG SAUER P320 XTEN
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
5"
Caliber:
10mm Auto
Capacity:
15
Finish Per Color:
Flat Dark Earth
(20)
Sig Sauer P320 M17 9mm Pistol, Tan Coyote - MS - 320F-9-M17-MS
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.7in
Caliber:
9×19mm Parabellum
Capacity:
21
Finish Per Color:
Coyote Tan
(0)
Sig Sauer P320, 9mm Luger 4.60" 21+1 Black/Fde
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
4.6 inches
Caliber:
9×19mm Parabellum
Capacity:
21+1
Finish Per Color:
Flat Dark Earth / Black
(20)
SIG SAUER P320 MAX
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
5 inches
Caliber:
9×19mm Parabellum
Capacity:
21
Finish Per Color:
Black
(12)
SIG Sauer P320 AXG Pro Optics Ready 9mm Pistol, Black - 320AXGF-9-BXR3-PRO-R2
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
4.7 inches
Caliber:
9×19mm Parabellum
Capacity:
17+1
Finish Per Color:
Black
(0)
Sig Sauer P320 AXG Legion 9mm, 3.9" Barrel, Gray Cerakote, ROMEO-X Reflex Sight, 21rd
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
21
Finish Per Color:
Grey
(0)
Sig Sauer P320 X-Compact 9mm, 3.6" Barrel, Black, ROMEO-X Reflex Sight, 15rd
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
3.6"
Caliber:
9×19mm Parabellum
Capacity:
15
Finish Per Color:
Black
(0)
Sig Sauer P320 Nitron Compact 9mm Semi-Automatic Pistol, Blk - 320C-9-BSS-MS-MA
Brand:
Sig Sauer
Action:
Double Action
Barrel Length:
3.9 inches
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Black
(0)
SIG SAUER P320 AXG
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9"
Caliber:
9×19mm Parabellum
Capacity:
10
Finish Per Color:
Black
Marketplace Insights
★ 4.7/5
based on 515 customer reviews across 138 variants from 46 retailers
Highly regarded P320 with exceptional trigger, accuracy and ergonomics that delivers excellent out-of-box performance for most users.
What customers like
Excellent Trigger Quality35%
The trigger is the best I've ever felt right out of the box.
Accuracy & Reliability32%
Shoots great right out of the box and is accurate.
Ergonomics & Comfort28%
Feels great in the hand, is plenty quick to draw, get on target
Low Recoil & Soft Shooting18%
Minimal recoil. It's my new favorite after putting just 100 rounds through it.
Modularity & Customization12%
Want a 9 mm? 40 mm? 357 magnum? Just switch it out.
Common concerns
Suppressor Cycling Issues5%
Wouldn't cycle cheap range ball ammo when suppressed
Harder Trigger vs P2293%
Compared to my P229 the P320 has a much harder trigger pull.
Gold Finish Wear Concerns3%
I see a lot of people complaining about the gold finish wearing off the barrel
Ammo Compatibility Issues3%
It will NOT fire consistently with 115 gr ammo.
Frequently Asked Questions
Sig Sauer P320 for sale
Is the SIG Sauer P320 a good gun?
Whether it's "good" depends on your needs. The P320 is reliable, accurate, and widely adopted by military and police forces. It's versatile across defense, range, and carry roles. Priced around $759 with many variants available. Reviews consistently praise its shootability and durability.
Is the SIG P320 now safe?
SIG maintains the P320 is safe and issued a voluntary upgrade in 2017 addressing drop-safety concerns. Military and law enforcement agencies continue using it. Courts have soundly rejected claims that the pistol fires without a trigger pull, with thirteen courts ruling those allegations without merit. Evidence points to training and handling factors.
Is it safe to carry a SIG P320 with a round in the chamber?
The P320 has documented controversy around chambered carry, including reports of unintentional discharges and concerns about its lack of a trigger safety and striker block. Some users avoid chambered carry for these reasons. Always research current safety advisories and use a quality holster that fully covers the trigger guard.
Are the P320 and M18 the same?
No, they're related but distinct. The M18 is a compact variant of the P320 platform with a 3.9-inch barrel and carry-length grip. All M18s feature an optics cut; not all P320s do. The M18 is SIG's military-adopted compact sidearm, while P320 encompasses a broader family of frame sizes and configurations.
Can you conceal carry a P320 M18?
Yes, the M18 can be concealed carried. Its grip is closer to a compact configuration, making it more manageable than a full-size pistol. Many people carry it IWB or OWB successfully, though a subcompact variant may still conceal more easily depending on body type and holster choice.
How much is a P320 worth?
SIG P320 pistols typically sell around $741 new on our marketplace, with used models averaging around $427. Most listings range $450–$1,500 depending on variant, finish, and retailer. We track 138 different configurations across 46 retailers, with 112 currently in stock. Legion and specialty variants command higher prices.
Which SIG Sauer P320 is the best?
"Best" depends on your use. The XFIVE Legion, the flagship P320 with a 5-inch bull barrel, suits competition shooting. The XCarry Spectre and Wilson Combat P320 are also top contenders. The M17 fits duty or home defense; the M18 is a military-adopted pistol. Grip size and purpose drive the decision.
What is the difference between Sig P320 X5 and X5 Legion?
The X5 Legion adds a tungsten-infused grip module for roughly 15 ounces more weight, improving recoil control. Its trigger is skeletonized and approximately 30% lighter with a crisper break. The Legion uses a different optics plate for Romeo 1 Pro mounting and ships with three 17-round magazines versus the standard X5's four 21-rounders.
Is the SIG P320 M17 a good gun?
Whether it's "good" depends on your needs. Users consistently praise its reliability, accuracy, and ergonomics. The ambidextrous manual safety and modular design appeal to many. Its full-size frame suits home defense and range use better than concealed carry. Street price runs around $759.
Can a civilian buy a SIG M17?
Yes, civilians can buy the SIG P320-M17, the commercial version of the U.S. Army's service pistol. It is widely available from major retailers. The 9mm striker-fired pistol is priced around $759 and is suitable for home defense and range use.
What is the difference between Sig Sauer P320 and P320 M17?
The M17 is the military version of the P320, adopted by the U.S. Army in 2017. Key differences include a standard optics cut, a carry-frame with full-size slide, and an ambidextrous manual safety on the M17. Standard P320s vary in these features. Both fire 9mm and use the same modular chassis system.
What is the price of a Sig M17?
The Sig Sauer P320-M17 averages around $610 new, with used models averaging around $422. Prices vary by retailer and configuration. The military-contract version includes a manual safety and coyote tan finish. On our marketplace, prices may differ based on seller and condition.
What ammo is best for SIG P320 M17?
SIG's 124-grain V-Crown +P and Speer Gold Dot 124-grain +P are reliable defensive choices. For training, standard 115- or 124-grain FMJ works fine. The M17 feeds most quality 9mm ammunition without issue, so match your choice to your purpose: hollow points for defense, FMJ for range use.
Which pistol is more reliable, M17 or M18?
Both the M17 and M18 are variants of the SIG Sauer P320 and share identical internal mechanisms, giving them equivalent reliability. Neither has a meaningful reliability advantage over the other. Your choice should be based on size preference and intended use, not reliability.
What is the difference between the P320 and P320 Legion?
The P320 X-Five Legion differs from the standard P320 through its tungsten-infused grip module, which adds significant weight (43.5 oz vs 29.6 oz) to reduce recoil and muzzle rise, plus an improved trigger. Standard P320s use lighter polymer frames and cost significantly less, though both share the same striker-fired action.